Query Posts from Different Terms

wp_terms_query.php

<?php
	
/* get the terms for the taxonomy */
$terms = get_terms(
	'taxonomy_name_here',
	array(
		'hide_empty' => false
	)
);

/* check we have terms to output */
if( ! empty( $terms ) ) {
	
	/* loop through the terms */
	foreach( $terms as $term ) {
		
		/* output the term title */
		echo '<h2>' . esc_html( $term->name ) . '</h2>';
		
		/* build a query to query posts from this term */
		$term_posts = new WP_Query(
			array(
				'post_type'		=> 'cpt_name_here',
				'posts_per_page' => -1,
				'tax_query' => array(
					array(
						'taxonomy' => 'taxonomy_name_here',
						'field'    => 'id',
						'terms'    => $term->term_id,
					),
				),
			)
		);
		
		/* check we have posts to show */
		if( $term_posts->have_posts() ) {
			
			/* loop through posts */
			while( $term_posts->have_posts() ) : $term_posts->the_post();
				
				/* each posts output here */
				?>
				
				<article <?php post_class(); ?>>
					
					<h3><?php the_title(); ?></h3>
					
					<?php the_excerpt(); ?>
					
				</article>
				
				<?php
			
			/* end loop */
			endwhile;
			
		} // end if have posts
		
		/* reset the query */
		wp_reset_query();
		
	}
	
} // if have terms